Boot upper



FIG. 1 is a left side elevational view of a boot upper according to the present invention;

FIG. 2 is a right side elevational view of the boot upper; and,

FIG. 3 is a rear elevational view of the boot upper.

The broken lines depict optional features that do not form a part of the claimed design. The inventive design encompasses the embodiment of a boot upper illustrated in the drawings, as well as an embodiment which is the mirror image of that shown. 

CLAIM The ornamental design for a boot upper, as shown and described. 